update_elements.DT.Rd

% Generated by roxygen2: do not edit by hand
% Please edit documentation in R/utilities.R
\name{update_elements.DT}
\alias{update_elements.DT}
\title{Updates selected elements of data stored in one DT with new one given in melted format}
\usage{
update_elements.DT(data.old, data.new)
}
\arguments{
\item{data.old}{The DT to update}

\item{data.new}{The data to insert. It must have three columns:  {id,variable,new value}. E.g. data.new=data.table("id"=c(810001100105),"variable"=c("AASBIO_CV"),value=c(999999))}
}
\value{
a DT with the updated values
}
\description{
The user provides the data.new: {id,variable,new value}. The function overwrites all existing id-column with the new values
}